426743163 has 144 divisors (see below), whose sum is σ = 851497920. Its totient is φ = 200724480.

The previous prime is 426743159. The next prime is 426743171. The reversal of 426743163 is 361347624.

It is a happy number.

426743163 is a `hidden beast` number, since 426 + 74 + 3 + 163 = 666.

It is not a de Polignac number, because 426743163 - 2² = 426743159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426743143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4794823 + ... + 4794911.

It is an arithmetic number, because the mean of its divisors is an integer number (5913180).

Almost surely, 2^426743163 is an apocalyptic number.

426743163 is a deficient number, since it is larger than the sum of its proper divisors (424754757).

426743163 is a wasteful number, since it uses less digits than its factorization.

426743163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 164 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 426743163 is about 20657.7627781907. The cubic root of 426743163 is about 752.8738115449.

The spelling of 426743163 in words is "four hundred twenty-six million, seven hundred forty-three thousand, one hundred sixty-three".